This instance couldn't reach its API specification on the last attempt, so this page shows the copy fetched before that. Anything added or changed since then is missing here, and the reference updates itself as soon as the specification is readable again. Last fetched 2026-10-22 22:52 UTC.
A model the API reference uses in a request or a response. The operation pages link every field typed as this model here.
Represents data related to a device in a transaction.
Values
Values:Values combine: send one or more member names separated by a comma and a space, or the integer sum of their values. Responses carry the names.
Fields
Field
Type
Description
sdkVersionrequired
string
The version of the SDK used by the device.nullable
Values:Values combine: send one or more member names separated by a comma and a space, or the integer sum of their values. Responses carry the names.
serialNumberrequired
string
The serial number of the device.nullable
Values:Values combine: send one or more member names separated by a comma and a space, or the integer sum of their values. Responses carry the names.
batteryLevelrequired
integer (int32)
The battery level of the device.
The value is nullable to accommodate devices that may not report battery level.nullable
Values:Values combine: send one or more member names separated by a comma and a space, or the integer sum of their values. Responses carry the names.
isEncryptedrequired
boolean
Value indicating whether the device data is encrypted.
Values:Values combine: send one or more member names separated by a comma and a space, or the integer sum of their values. Responses carry the names.
encryptionTyperequired
string
The type of encryption used for the device data, if applicable.nullable
Values:Values combine: send one or more member names separated by a comma and a space, or the integer sum of their values. Responses carry the names.
encryptionKeyVariantrequired
string
The DUKPT key variant the reader used to encrypt the card data: `Data` for the data
variant or `Pin` for the PIN variant. Both variants derive from the same base key,
so the decryption service needs to be told which one applies before it can decrypt.nullable
Values:Values combine: send one or more member names separated by a comma and a space, or the integer sum of their values. Responses carry the names.
cvmResultsrequired
string
The EMV Cardholder Verification Method (CVM) result reported by the device.
Values: "1" = Offline PIN, "2" = Online PIN, "3" = Signature.
Used as a fallback when EMV tag 9F34 is not present in the chip data
(e.g. some Ingenico/Discover contactless flows).nullable
Values:Values combine: send one or more member names separated by a comma and a space, or the integer sum of their values. Responses carry the names.
This model has no documented fields.
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